Unknown Heartworm Prevention
68 adverse event reports submitted to the FDA
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
68
Total Reports
0
Deaths Reported
0.0%
Death Rate
Active Ingredients
Unknown Heartworm Prevention
Administration Routes
UnknownOral
Species Affected
Dog 68
Most Affected Breeds
Retriever - Labrador 14
Crossbred Canine/dog 9
Terrier (unspecified) 5
Shepherd Dog - German 3
Chihuahua 2
Coonhound - Black and Tan 2
Beagle 2
Great Pyrenees 2
Dog (unknown) 2
Bulldog 2
Most Reported Reactions
Lack of efficacy (endoparasite) - heartworm 47
Weight gain 3
Lack of efficacy (ectoparasite) - flea 2
Panting 2
Itching 2
Underdose 2
Seizure NOS 2
Shaking 2
Unable to stand 2
Vomiting 2
Lethargy (see also Central nervous system depression in Neurological) 2
Emesis 1
Outcome Breakdown
Outcome Unknown
29 (42.6%)
Ongoing
27 (39.7%)
Recovered/Normal
7 (10.3%)
Recovered with Sequela
5 (7.4%)
Source: FDA Center for Veterinary Medicine — Adverse Event Reports. Data reflects voluntary submissions and may not represent actual incidence rates.